| Id | Name | Systems | Actions |
|---|---|---|---|
| 2940 | Mario Tennis: Power Tour | GBA | |
| 426 | Mario vs. Donkey Kong | GBA | |
| 2613 | Mario vs. Donkey Kong: Mini-Land Mayhem! | DS | |
| 3183 | Mario's Early Years: Fun with Letters | SNES | |
| 2773 | Mario's Keytastrophe: Rebirth Edition | SNES | |
| 2429 | Mario's Picross | SGB, GBC | |
| 3952 | Mario's Super Picross | SNES | |
| 2497 | Mario's Time Machine | SNES | |
| 885 | Mario's Time Machine! | NES | |
| 618 | Marko's Magic Football | Genesis | |
| 3329 | Martial Masters | Arcade | |
| 4220 | Martian Prisoner | C64 | |
| 3061 | Maru's Mission | GB | |
| 1313 | Marvel Land | Genesis | |
| 931 | Marvel Super Heroes vs. Street Fighter | Arcade | |
| 775 | Marvel Super Heroes: War of the Gems | SNES | |
| 1358 | Marvel vs. Capcom | Arcade | |
| 4247 | Marvel vs. Capcom: Clash of Super Heroes | PSX | |
| 4159 | Mary Shelley's Frankenstein | SegaCD | |
| 4164 | Mary Shelley's Frankenstein | Genesis | |
| 1229 | Master Karateka | GB | |
| 919 | Master of Darkness | SMS | |
| 2375 | Masters of the Universe: The Power of He-Man | A2600 | |
| 2332 | Math Blaster: Episode 1 | SNES | |
| 2960 | Math Blaster: Episode 1 | Genesis |